It may be a good time to buy a second hand Tesla. Heres Why. Prices of second hand Teslas have plummeted over the last few months due to an over saturation by the electric car brand. According to car valuation expert Cap HPI, 3 out of 5 of the worst- depreciating cars in 2022 were Tesla. In fact their popular model 3 saloon fell by 23% or $9,900!